O-Ring for Big Blue & Clear Housing 20'' or 10'' with input 3/'', 1'', 1.5'' (housing sold separately)

O-Ring
for Big & Compact Blue and Clear Housings

O-Rings should be replaced when changing the filter cartridge to avoid possible water leakage.

For Big & Compact Blue Housings: HBB-20 series; HBB-10 series (input sizes: 3/4", 1", 1.5")
For Big & Compact Clear Housings: HBC-20 series; HBC-10 series (input sizes: 3/4", 1", 1.5")
For Housing Sets: Big Duo & Trio
For Filter Bundles: CB1, CB2 and CB3 systems

Item fits Pentek BigBlue and Hydronix Big Clear.